There are four major disciplines in earth sciences, namely geography, geology, geophysics and geodesy.地球学又分为四大类, 即地理学, 地质学, 地球物理学和测地学.Physics and astronomy are cognate sciences.物理学与天文学是互有关联的科学.Most seem to come from tech...
He authored a history of the Civil War.他写了一本内战史.Then he opened a restaurant, authored a book, and landed his own radio show.后来他开了个餐馆，写了本书，还制作了自己的广播剧。Fall 2006's design will appear below , authored , perhaps, by you!...